Snack food



FIG. 1 is a front elevational view of a snack food illustrating my newdesign;

FIG. 2 is a side elevational view thereof, as viewed from the left ofFIG. 1;

FIG. 3 is a side elevational view thereof, as viewed from the right ofFIG. 1;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a snack food, as shown and described.